In 2016, Dutch birdwatcher Arjan Dwarshuis traveled the world to spot as many birds as possible in the span of one year, with the goal to break the big year world record (6042 species, set by Noah Strycker in 2015).
2018
2021
2010
2003
2014
2020
1973
2000
1999
2016
2012
2013
2024
1991
2015
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1993